@Override
public boolean okMessage(final Environmental myHost, final CMMsg msg) {
if ((affected != null)
&& (((msg.target() instanceof Room) && (msg.targetMinor() == CMMsg.TYP_ENTER))
|| ((msg.target() instanceof Rideable) && (msg.targetMinor() == CMMsg.TYP_SIT)))
&& ((msg.amITarget(affected)) || (msg.tool() == affected) || (affected instanceof Area))
&& (!CMLib.flags().isFalling(msg.source()))) {
final HashSet<MOB> H = new HashSet<MOB>();
if (noFollow) H.add(msg.source());
else {
msg.source().getGroupMembers(H);
int hsize = 0;
while (hsize != H.size()) {
hsize = H.size();
final HashSet H2 = (HashSet) H.clone();
for (final Iterator e = H2.iterator(); e.hasNext(); ) {
final Object O = e.next();
if (O instanceof MOB) ((MOB) O).getRideBuddies(H);
}
}
}
for (final Object O : H) {
if ((!(O instanceof MOB)) || (passesMuster((MOB) O))) return super.okMessage(myHost, msg);
}
msg.source().tell(L("You are not allowed in there."));
return false;
}
return super.okMessage(myHost, msg);
}